GW Instek GSM-20H10G - Precision Source Measure Unit with GPIB
GW Instek GSM-20H10 is a precision source measure unit that provides highly stable DC power and instrument-grade 6½-digit multimeter measurements. While operating, it can be used as a voltage source, current source, voltmeter, ammeter, and ohmmeter, which is uniquely ideal for the evaluation of component characteristics and the test applications of production, including nanomaterials and components, semiconductor architecture, organic materials, high-efficiency illumination, passive components and material characteristics' analysis, etc.
GSM-20H10 provides four-quadrant operation of ±210V/±1.05A/22W. The first and third quadrants operate as power supplies to supply power to the load. The second and fourth quadrants function as loads to consume power internally. Voltage value, current value and resistance value can be measured while operating the power supply or load function with an accuracy of 0.012% and a resolution of 1µV/10pA/10µΩ.
With respect to sampling rate, GSM-20H10 supports a sampling rate of up to 50k points/second, which can accurately analyze the characteristics of the DUT. With the large 4.3-inch screen, all measurement settings, parameters, and results can be completely displayed on the screen.
The SDM (Source Delay Measure) function is provided to delay sampling when the signal changes to prevent the unstable signal from being captured and cause misjudgment. There are four built-in sequence output modes (Linear stair, Log stair, SRC-MEM, Custom), which can support up to 2500 points of sequence variation output.
Pertaining to protection, GSM-20H10 provides OVP/OTP modes. The design of OVP allows users to self-define the range of OVP. OTP can effectively prevent errors caused by temperature drift during the test process. For interfaces, this product supports standard SCPI commands and provides RS-232, USBTMC, LAN, GPIB (optional) interfaces to meet users’ different interface needs.
Maximum Output: ±210V/±1.05A/22W
The power source output of the GSM-20H10 has two ranges.
The voltage range is ±21 volts, and the current is ±1.05A.
The voltage range is ±210 volts, and the current range is ±105mA.
The power capacity is 22W.
Provide a full range of four-quadrant measurement without duty cycle limit.
Built-in 4 Sequence Output Modes, up to 2500 points
GSM-20H10 precision source measure unit provides four sequence output modes: linear staircase, log staircase, SRC-MEM (source memory) and Custom(self-defined).
With these output modes, users can quickly generate output as needed. The total number of sequence points is 2,500.
OVP /OTP Protection Function
In terms of protection, GSM-20H10 provides OVP/OTP protection modes; in the design of OVP, users can define the range of OVP, and the protection of OTP can effectively prevent errors caused by temperature drift during the test process.
0.012% Basic Measure Accuracy with 6½-digit Resolution
GSM-20H10 provides a measurement accuracy of up to 0.012%, and provides a meter display function of up to 6½ digits, allowing users to have more accurate results when measuring small signals.
Variable Sampling Speed
The sampling rate of GSM-20H10 is variable. Therefore, users can choose the sampling rate from 0.01 PLC to 10 PLC according to their needs.
Where NPLC represents the number of power line cycles, for example, AC power frequency is 50Hz, 1 PLC means 20ms, 2 PLC means 40ms, and so on.
| Sampling | Fast | Medium | Normal | High | Other |
|---|---|---|---|---|---|
| Speed, NPLC | 0.01 | 0.1 | 1 | 10 | User Defined |
| Digit | 3½ | 4½ | 5½ | 6½ | Selectable |
SDM (Source Delay Measure) Cycle
The initial state of the source output may be unstable. If the meter starts measuring after the source is output, users can set the source delay to start the meter measurement after passing the unstable period so as to obtain stable measurement results.
GSM-20H10 precision source measure unit’s delay range is 0 to 9999.999 seconds.
2-, 4-, and 6-wire Remote V-source and Measure Sensing
Other than 2-wire, GSM-20H10 also provides 4-wire and 6-wire resistance measurements.
4-wire measurement eliminates the effect of lead resistance, realizing accurate measurement of small resistances below 100ohm at high currents.
6-wire combining 4-wire connection and the protection of ohm characteristics eliminate the effects of internal parallel resistance, realizing the resistance measurement of a tiny wire.
Variable Display Digits
The display bits of GSM-20H10 are variable. Therefore, users can choose the number of display bits among 3.5, 4.5, 5.5, and 6.5 bits according to their needs.
Built-in Limit Function
GSM-20H10 has three built-in Pass/Fail limit line tests, with a total of 11 sets.
Built-in 5 Calculation Functions
GSM-20H10 provides five built-in calculation functions: Power, Offset Compensation Ohms, Voltage Coefficient, Varistor Alpha, and Percent Deviation.
Standard SCPI Command, Provide Interface: RS-232, USBTMC, LAN, GPIB (Optional)
GSM-20H10 provides a complete remote programming control interfaces, including SCPI RS-232, LAN, USBTMC and GPIB (Optional).
4.3" TFT LCD, Digital Number Keypad
With the large 4.3-inch screen, all measurement settings, parameters, and results can be completely displayed on the screen: the digital number keypad provides users with a more friendly input method.
Built-in RTC Clock
The built-in RTC Clock circuit allows users to record the time when storing the file, which is convenient for data comparison or recording.
- Maximum Output: ±210V/±1.05A/22W
- Built-in 4 Sequence Output Modes, up to 2500 Points
- OVP /OTP Protection Function
- 0.012% Basic Measure Accuracy with 6½-digit Resolution
- Variable Sampling Speed
- SDM (Source Delay Measure) Cycle
- 2-, 4-, and 6-wire Remote V-source and Measure Sensing
- Variable Display Digits
- Built-in Limit Function
- Built-in 5 Calculation Functions
- Standard SCPI Command, Provide Interface: RS-232, USBTMC, LAN, GPIB (Optional)
- 4.3" TFT LCD, Digital Number Keypad
- Built-in RTC Clock
Maximum Range
| Voltage | ±210V |
| Current | ±1.05A |
| Power | 22W |
| Voltage Resolution | 1µV |
| Current Resolution | 10pA |
Source
| DC Voltage |
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| DC Current |
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| General |
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Measurement
| Voltage |
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| Current |
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| Resistance |
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System Speed5
| Maximum Measure Auto Range Time | 40ms (fixed source)6 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sequence reading rates7 (rdg./second) for 60Hz (50Hz) |
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| Single Reading Operation Rates (rdg./second) for 60Hz (50Hz) |
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| Component Interface Handler Time for 60Hz (50Hz) 8,10 |
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System General
| Load Impedance | Stable into 20,000pF typical |
| Differential mode Voltage | 250 VPk |
| Common mode Voltage | 250 VDC |
| Common mode Isolation | >10GΩ, <1000pF |
| Over Range | 105% of range, source and measure. |
| Max. Voltage drop | 5V |
| Max. Sense lead Resistance | 1MΩ |
| Sense input Impedance | >100G Ω |
| Guard offset Voltage | <150µV, typical |
| Source output modes | Fixed DC level, Memory List (mixed function), Stair (linear and log) |
| Source memory list | 100 points max. |
| Memory buffer | 5,000 readings @ 5 digits (two 2,500 point buffers). Includes selected measured value(s) and time stamp. Lithium battery backup (3 yr. + battery life). |
| Programmability | IEEE-488.2 (SCPI) 5 user-definable power-up states plus factory default and *RST. |
| Digital I/O Connector | Active low input. Start of test, end of test, 3 category bits. +5V@ 300mA supply. 1 trigger input, 4 TTL/Relay Drive outputs (33V @ 500mA, diode) |
| Remote Interface | USB/LAN/RS-232/GPIB(Optional) |
| Insulation | Chassis and Terminal : 20MΩ or above (DC 500V) Chassis and AC cord : 30MΩ or above (DC 500V) |
| Operation Environment | Indoor use, Altitude: ≤ 2000m Ambient temperature: 0 ~ 40°C Relative humidity: ≤ 80% Installation category: II, Pollution degree: 2 |
| Storage Environment | Temperature: -20˚C ~ 70˚C Humidity: < 80% |
| Input Power | 100-240VAC, 50-60Hz |
| Power Consumption | 80W |
| Dimensions | 214 (W) x 86 (H) x 356.5 (D) mm |
| Weight | Approx. 4.8kg |
1. Speed = Normal (1 PLC). For 0.1 PLC, add 0.005% of range to offset specifications, except 200mV, 1A ranges, add 0.05%. For 0.01 PLC, add 0.05% of range to offset specifications, except 200mV, 1A ranges, add 0.5%.
2. Required to reach 0.1% of final value after Command is processed. Resistive load. 10µA to 100mA range.
3. Overshoot into a fully resistive 100kΩ load, 10Hz to 1MHz BW, adjacent ranges: 100mV typical, except 20V/200V
4. Maximum time required for the output to begin to change following the receipt of :SOURce:VOLTage|CURRent Command
5. Reading rates applicable for voltage or current measurements, autorange off, filter off, display off, trigger delay = 0, and binary reading forma
6. Purely resistive lead. 1µA and 10µA ranges <65ms.
7. 1000 point sweep was characterized with the source on a fixed rang.
8. Pass/Fail test performed using one high limit and one low math limit.
9. Includes time to re-program source to a new level before making measurement.
10. Time from falling edge of START OF TEST signal to falling edge of END OF TEST signal.
11. Command processing time of :SOURce:VOLTage|CURRent: TRIGgered Command not included.
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